<template>
  <div class="tinymce-container editor-container" :class="{fullscreen:fullscreen}">
    <textarea class="tinymce-textarea" :id="tinymceId" ></textarea>
    <div class="editor-custom-btn-container">
      <chatSendImage color="#1890ff" class="editor-upload-btn" @successCBK="imageSuccessCBK"></chatSendImage>
    </div>
  </div>
</template>

<script>
import plugins from './plugins1';
import toolbar from './toolbar';
import chatSendImage from './components/chatSendImage';

export default {
  name: 'tinymce',
  components: { chatSendImage },
  props: {
    id: {
      type: String
    },
    value: {
      type: String,
      default: ''
    },
    toolbar: {
      type: Array,
      required: false,
      default() {
        return [];
      }
    },
    height: {
      type: Number,
      required: false,
      default: 360
    },
  },
  data() {
    return {
      hasChange: false,
      hasInit: false,
      tinymceId: this.id || 'vue-tinymce-' + +new Date(),
      fullscreen: false,
    };
  },
  watch: {
    value(val) {
      if (!this.hasChange && this.hasInit) {
        this.$nextTick(() =>
          window.tinymce.get(this.tinymceId).setContent(val || ''));
      }
    }
    
  },
  mounted() {
    this.initTinymce();
  },
  activated() {
    this.initTinymce();
  },
  deactivated() {    
    this.destroyTinymce();
  },
  methods: {
    initTinymce() {      
      const _this = this;
      window.tinymce.init({
        selector: `#${this.tinymceId}`,
        height: this.height,
        body_class: 'panel-body ',
        object_resizing: false,
        toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
        menubar: false,
        statusbar:false,
        forced_root_block:'',
        force_br_newlines : false,
        force_p_newlines : false,
        auto_focus:true,
        contextmenu_never_use_native: true,
        plugins: plugins,
        end_container_on_empty_block: true,
        powerpaste_word_import: 'clean',
        code_dialog_height: 450,
        code_dialog_width: 1000,
        advlist_bullet_styles: 'square',
        advlist_number_styles: 'default',
        imagetools_cors_hosts: ['www.tinymce.com', 'codepen.io'],
        default_link_target: '_blank',
        link_title: false,
        init_instance_callback: editor => {
          if (_this.value) {
            editor.setContent(_this.value);
          }
          _this.hasInit = true;
          editor.on('NodeChange Change KeyUp SetContent', () => {
            this.hasChange = true;
            this.$emit('input', editor.getContent());
          });
        },
        setup(editor) {
          editor.on('PostProcess', function(e) {
            e.content = e.content.replace(/<br \/>/g, '\n');
          });
          editor.on('FullscreenStateChanged', (e) => {
            _this.fullscreen = e.state;
          });
          editor.on('keydown',function(e) {
            if(e.keyCode === 13 && !e.ctrlKey){
              event.preventDefault();
              _this.$emit('sendmessage');
              return false;
            }
          });
            
        }
      });      
    },
    destroyTinymce() {
      if (window.tinymce.get(this.tinymceId)) {
        window.tinymce.get(this.tinymceId).destroy();
      }
    },
    setContent(value) {
      window.tinymce.get(this.tinymceId).setContent(value);
    },
    getContent() {
      window.tinymce.get(this.tinymceId).getContent();
    },
    imageSuccessCBK(imgUrl) {
      this.$emit('sendmessage', imgUrl);
    },
  },
  destroyed() {
    this.destroyTinymce();
  }
};
</script>

<style scoped>
.tinymce-container {
  position: relative;
}
.tinymce-container>>>.mce-fullscreen {
  z-index: 10000;
}
.tinymce-textarea {
  visibility: hidden;
  z-index: -1;
}
.editor-custom-btn-container {
  position: absolute;
  right: 4px;
  top: 4px;
  /*z-index: 2005;*/
}
.fullscreen .editor-custom-btn-container {
  z-index: 10000;
  position: fixed;
}
.editor-upload-btn {
  display: inline-block;
}
</style>
